25890128

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:384

約数の個数: 60

約数和(自身を含む): 56600544

約数和(自身を除く): 30710416

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 121, 172, 176, 242, 311, 344, 473, 484, 622, 688, 946, 968, 1244, 1892, 1936, 2488, 3421, 3784, 4976, 5203, 6842, 7568, 10406, 13373, 13684, 20812, 26746, 27368, 37631, 41624, 53492, 54736, 75262, 83248, 106984, 147103, 150524, 213968, 294206, 301048, 588412, 602096, 1176824, 1618133, 2353648, 3236266, 6472532, 12945064, 25890128]

約数ペア:

[(1, 25890128), (2, 12945064), (4, 6472532), (8, 3236266), (11, 2353648), (16, 1618133), (22, 1176824), (43, 602096), (44, 588412), (86, 301048), (88, 294206), (121, 213968), (172, 150524), (176, 147103), (242, 106984), (311, 83248), (344, 75262), (473, 54736), (484, 53492), (622, 41624), (688, 37631), (946, 27368), (968, 26746), (1244, 20812), (1892, 13684), (1936, 13373), (2488, 10406), (3421, 7568), (3784, 6842), (4976, 5203)]